arabera adriana ch 6 years ago
171
Honelako gehiago
The following sustainability measures begin little by little with what can be done individually to take better care of the land.
-Taking steps toward smarter land use.
Conserving water.
-Recycling.
-Eating locally
An ecosystem recycles matter through the process of decomposition.
All the biological processes in an ecosystem run on energy captured from the sun.
It provides the organisms that live there with what they need to survive.
Age structure: describes how many individuals fall into different age classes.
Sex ratio: es el número de hombres contra mujeres.
Density: of a population is the number of individuals, in relation to the area they inhabit.
Size: of a populación is the number of individuals that make it up.
National Forest Management Act of 1976: considers that the extraction of wood affects the ecosystem as a whole.
Safe Drinking Water Act of 1974: improve public health by protecting public supplies of drinking water from pollution.
Endangered Especies Act of 1973: establishes a process to legally recognize and seek the conservation of endangered species of plants and animals.
Clean Water Act of 1972: led to a dramatic improvement in water quality.
Clean Air Act of 1970: This law was the first to regulate air pollution on a national scale and establish goals to improve air quality.